// 不换行
.no-wrap() {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
// 扩展点击区域
.extend-click() {
  position: relative;
  &:before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
  }
}